CPC Subgroup
E21F 5/14 Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
Full Title
Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires (dams E21F17/103; applying liquids or other fluent materials to surfaces in general B05) > Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
2 direct subcodes
Child Classifications
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